127206400

素因数分解:

$2^{10}\times 5^2\times {\mathrm{4969}}^1$

素因数の和:4999

約数の個数: 66

約数和(自身を含む): 315381290

約数和(自身を除く): 188174890

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 2560, 3200, 4969, 5120, 6400, 9938, 12800, 19876, 24845, 25600, 39752, 49690, 79504, 99380, 124225, 159008, 198760, 248450, 318016, 397520, 496900, 636032, 795040, 993800, 1272064, 1590080, 1987600, 2544128, 3180160, 3975200, 5088256, 6360320, 7950400, 12720640, 15900800, 25441280, 31801600, 63603200, 127206400]

約数ペア:

[(1, 127206400), (2, 63603200), (4, 31801600), (5, 25441280), (8, 15900800), (10, 12720640), (16, 7950400), (20, 6360320), (25, 5088256), (32, 3975200), (40, 3180160), (50, 2544128), (64, 1987600), (80, 1590080), (100, 1272064), (128, 993800), (160, 795040), (200, 636032), (256, 496900), (320, 397520), (400, 318016), (512, 248450), (640, 198760), (800, 159008), (1024, 124225), (1280, 99380), (1600, 79504), (2560, 49690), (3200, 39752), (4969, 25600), (5120, 24845), (6400, 19876), (9938, 12800)]